Update to Unicode 13.0.0
diff --git a/src/hb-common.h b/src/hb-common.h
index 037e508..3d963f4 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -367,6 +367,14 @@
/*12.0*/HB_SCRIPT_NYIAKENG_PUACHUE_HMONG = HB_TAG ('H','m','n','p'),
/*12.0*/HB_SCRIPT_WANCHO = HB_TAG ('W','c','h','o'),
+ /*
+ * Since REPLACEME
+ */
+ /*13.0*/HB_SCRIPT_CHORASMIAN = HB_TAG ('C','h','r','s'),
+ /*13.0*/HB_SCRIPT_DIVES_AKURU = HB_TAG ('D','i','a','k'),
+ /*13.0*/HB_SCRIPT_KHITAN_SMALL_SCRIPT = HB_TAG ('K','i','t','s'),
+ /*13.0*/HB_SCRIPT_YEZIDI = HB_TAG ('Y','e','z','i'),
+
/* No script set. */
HB_SCRIPT_INVALID = HB_TAG_NONE,
